新版广州深圳沈阳牛津英语七年级下unit4Save-the-trees

1、 Unit4 Save the trees课文同步讲解1 掌握下列短语：1 发出，散发 give out 2 对.有害be harmful to3 世界上，在地球上 on Earth 4 对.有用 be useful for5 在.末端 at the end of 6 生物 living things7 最后 in the end = finally = at last 8 为.感谢 thanks for9 来自 come from 10 例如 for example 11 了解很多关于.事情 know a lot about 12 与.交流 communicate with13 提醒（警告）

2、某人某事 warn sb of sth 14 砍倒，砍掉 cut down 15 使某人做某事 make sb do sth 16 等待，等候 wait for17 参加，加入 join in = take part in 18 和.连结在一起 join together19 传递某人某物 pass sth to sb =pass sb sth 20 相互，互相 each other=one another 21 反对 be against 22 冲走wash away23 属于 belong to 24 太.而不能 tooto 25 阻止做某事stop from doing sth=keep

3、 from doing sth26 在某人看来 in ones opinion 27 照顾 look after = take care of 28,十分，非常 a lot=very much 29出发.到.： leavefor30对.感兴趣 be interested in = be keen on sth / doing sth 31 玩得开心，过得愉快 enjoy oneself= have a good time 32 喜欢做.enjoy doing = like doing sth33 提醒、警告某人不要做某事 warn sb not to do sth = warn sb agai

4、nst doing sth34 保护.免受protect from doing sth = protect against doing sth35 处于危险中 be in danger 36 最好做某事： had better do sth.最好不做某事： had better not do sth二，掌握下列句子释义：1. be harmful to sb =do harm to sb = be bad for sb2. Thank sb for (doing) sth = thanks for sb (doing) sth3. A lot = very much; a lot of = m

5、any/much4. This book belongs to me. = This book is mine. = I have this book.5. Too. to = so.that = not.enough6,be in danger =be not safe7. Look after (well) = take (good) care 8,Warn sb.=give sb. a warning语法现在进行时：一、用法 1.表示说话时正在进行的动作。常和now，Look!Listen!或其他铺垫句及情景设置句连用。Eg1.I am reading a book now.Eg2.Lo

6、ok!They are having a basketball match.Eg3.Listen!He is playing the piano.Eg4.Its 7：00 pm.The Greens are watching TV.2.表示现阶段正在进行着的动作但说话时不一定正在进行。Eg1.He is working in a shoe factory these days.(临时性的工作)Eg2.Mr.Green is writing another novel.(说话时并未在写，只处于写作的状态。)3.表示在近期按计划或安排要进行的动作。即用现在进行体表示将来要发生的动作。但一般要与将来

7、时间连用，而且仅限于少量动词。例如： come，go，start，arrive，leave，stay等。Eg1.Mr.Smith is leaving for London tomorrow.Eg2 Are you staying here till next week?4.常与表示渐变的动词连用。例如： get，grow，become，turn，begin等。Eg1.The leaves are turning red.Eg2.Its getting warmer and warmer.二、构成 （肯定，否定，一般疑问，特殊疑问） 1、主语+be+现在分词 The students of C

8、lass Two are singing . 二班的学生正在唱歌。 2、主语+be+not+现在分词 I am not looking at the blackboard . 我没有正在看黑板。3、be+主语+现在分词 Is she dancing? 她正在跳舞吗？4、特殊疑问词+be+主语+现在分词What are you doing now?你正在做什么？三、注意动词的现在分词的变化。 动词现在分词构成: 1正常变化是在动词原型后加ing 如:read-reading ; drink-drinking ; eat-eating ; listen- listening jump-jumpin

9、g ; wear-wearing ; grow-growing ;collect-collecting2特殊变化:1) 以e结尾的动词，去掉e再加ing 如:write -writing ; make- making ; ride-riding ; take-taking2).以重读闭音节结尾的动词，如果末尾只有一个辅音字母，（ 只有一个元音字母，而其后跟有一个辅音字母时）要双写结尾的辅音字母再加ing例如sit-sitting ; swim-swimming ; put- putting ; run- running get-getting Part 、课后作业consolidation h

10、omework工作纸、测试卷现在进行时专练单项选择1. - I cant find my pen. Can you lend _ yours? -Sorry, Im using it _. A. I, myself B. me, me C. me, myself D. I, mine2. Oh, hi, Ann. -Hi, Mary. Come in. Make _ at home. A. you B. your C. yourself D. yourselves3. -She is too busy to help _ with the work. -Lets do it_.A. her,

11、herself B. us, ourselves C. it, itself D. you, yourself4. Tom, your father asked you to do it _. A. itself B. yourself C. himself D. yourselves方位介词(1). in在里面：(2). on在上面： (3). under在下面 正下方： (4).over在正上方：(5) below 在斜下方：in 和on表示“在上”，门一类镶嵌在墙里的，用in，字画一类挂在墙面上的，onthr

12、ough通过，穿过 / across横过鸟一类落在树上的，用in，苹果一类长在树上的，用on  “接壤”在里用in  , A和B相邻（接壤）用on , A和B不相邻（不接壤）用to  1)at表示较小的地点。如：at the bus stop, at home  2)in表示较大的地点。如：in China, in the world  ( ) 1 The boat 

13、is passing_ the bridge. A. through   B. below   C. under   D. across  ( ) 2 Two planes are flying_ the city.  A. through   B. over

14、 ,   C. on ,   D, below ( ) 3 We can see a river running to the east_ the hill. A. under   B. below   C. over   D.&

15、#160;on  ( ) 4 Do you see the kite _ the building.  A. over   B. cross   C. on   D. above ( ) 5 There are some birds singing_

16、 the trees.  A. in  B. on  C. at  D. from  ( ) 6 There are so many apples_ that tree.  A. in  B, on  C. at  D. from  ( ) 7The United St

17、ates is _ the south of Canada and _ the east of Japan.  A. to; in    B. on; to    C. in; beside    D. at; on   ( ) 8 The

18、 man stood_the window, watching the boys playing outside.  A. in    B. by    C. with    D. to   ( ) 9 Japan lies_ the east of China.

19、60;A. on    B/ to    C. in    D. with () 10 Uncle Wang arrived_ No. 14 Middle School half an hour ago.  A.at B. in  Cto  D. /  ( ) 

20、;11 My uncle lives _ 88 Beijing Street.  A. to B. of C. at D. on  ( ) 12 They are waiting _ a bus _ the bus stop. A. for; in B. on;

21、0;at C. with; at D. for; at 一、写出下列动词的现在分词stand_ swim_ play_ watch_skate _ run_sleep_ jump_ walk_ ride_ clean_ make_ wash_ do_ go_ listen_play _ come_ sing_ have_ write_ dance_ sit_ read_二、 用括号中动词的适当形式填空： 1. My parents _（watch）TV now.&#

22、160;2. Look. Three boys _（run）. 3. What _ your mother _（do） now?  4. _ your dog _ now?（sleep）  5. _ you _（listen） to music? Yes, I am.  6. Look, Miss&

23、#160;Chen _ football.（play）  7. Tom and his sister _（wait）for you over there.  8. Now Class 3 and Class 4_（have）a test.  9. Listen, someone _（sing）in the classroom.&

24、#160; 10. Where is Zhang Yan?  She _（talk）with her teacher in the teachers office. 二选择填空： （    ）1. Who _ over there now?   A. singing    B.&

25、#160;are sing    C. is singing （    2. Its nine ten. The students _ a music class.   A. have    B. having    C. are having

26、60;（    ）3. Listen! The boy _.    A. crying    B. is crying    C. cries （    ）4. Dont talk here. Grandparents _.  A. sleep

27、60;   B. is sleeping    C. are sleeping （    ）5. Is the man _ tea or milk?     A. drinks    B. drink    C. dri

28、nking 三、根据提示完成下列句子1.The students_(正在上英语课)2.Some girls_(正在跳舞)3.I_(正在骑自行车)4.My mother_(正在做家务)5.Helen_(会做模型飞机)6._you_(正在看报纸吗)7._she_(正在打扫图书馆吗)8._the boys_(正在打篮球吗)课堂作业一、用所给词的正确形式填空。1. How do you _ _(communicate)your penfriend ?2. Water pollution is _ (harm) to our health.3. Judy is _ (collect) some

29、 facts for a class project on pollution.4. We all know that tigers _ _ _ now .(dangerous)5. Do you enjoy _（breathe）fresh air?6. I_ very _ _ (interest) playing the piano.7. Every year, people _ (destroy) many forests.8 Look ! The _ of that tree are too long , They reach the window of our living room

30、( branch )9 Trees are _ plants, so people use them to make a lot of things ( use ) 10 First, the workers put some soil in the _( contain ) 11 Dont walk into the forest alone. There are a lot of _ animals and plants that you do not know ( harm ) 12 Trees are really _ , They help us reduce pollution a

31、nd make our life better (fight) 二、单项选择。1. Our Earth will be _ if we go on cutting down millions of trees every year.A. in great danger B. danger C. dangerously D. out of danger2. Students will make great progress (进步) if they _ a subject.A. are interested in B. are interesting C. are interested D. a

32、re interesting in3. Look! The baby _ happily now because he _ you are his friends.A. similes；is knowing B. is smiling; is knowing C. is smiling; knows D. smiles; knows4. The train _ for Beijing soon. The passengers who are still on the platform (月台) should get on the train at once.A. leaves B. is le

33、aving C. left D. leaving5. Books give us knowledge (知识) and make us _ happy.A. feeling B. feel C. feels D. felt6. Theyre the biggest and oldest _ things on Earth.A. life B. live C. living D. alive7. The boy enjoys _ in the evening.A. play the guitar B. playing the guitar C. playing guitar D. play gu

34、itar8. Look, who _ on the playground?A. is playing B. playing C. plays D. played9. It is going to rain. Youd better _ an umbrella. A. bring B. having C. had D. to have10. Jin Yong is one of the greatest and oldest _ writers. He is still _.A. living; alive B. living; living C. alive; living D. alive; alive三、根据汉语提示，补全句子。每空一词。 46. 这个人昨天被车撞了，现在仍处于危险中。 The man was hit